1 update = 6; 2 newplane = 6; 3 width = 30; 4 height = 21; 5 6 exit: ( 0 2 c ) ( 29 2 z ) 7 ( 29 18 q ) ( 0 18 e ) ; 8 9 beacon: ( 8 10 ) ( 21 10 ) ; 10 11 line: [ ( 1 3 ) ( 7 9 ) ] 12 [ ( 7 11 ) ( 1 17 ) ] 13 [ ( 28 3 ) ( 22 9 ) ] 14 [ ( 22 11 ) ( 28 17 ) ] 15 [ ( 9 10 ) ( 20 10 ) ] ; 16